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(parent: 0586d91) | patch
Fix a bug in the coalescer where it didn't check if a live interval existed before...
authorOwen Anderson <resistor@mac.com>
Wed, 10 Sep 2008 20:41:13 +0000 (20:41 +0000)
committerOwen Anderson <resistor@mac.com>
Wed, 10 Sep 2008 20:41:13 +0000 (20:41 +0000)
commit369e98760bfdd6a72ef64929f3c560f80a4ffc92
tree219ac543568557c8844064ea36c0aeb737083eb9tree | snapshot
parent0586d91bb3e516d5826826522d9a90ed6ef74d86commit | diff
Fix a bug in the coalescer where it didn't check if a live interval existed before trying to manipulate it.  This
was exposed by fast isel's handling of shifts on X86-64.  With this, FreeBench/pcompress2 passes on X86-64 in fast isel.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56067 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SimpleRegisterCoalescing.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors